Re: [ros-dev] DOS Subsystem.

[TwoTailedFox]

If NTVDM/VDM is neither a service, nor a Subsystem, then what precisely is it?

On 11/29/05, Alex Ionescu <ionucu(a)videotron.ca> wrote:
>   Jerry wrote:
>
> >   I know that.  I have a copy of Ralf Brown's
> > Interrupt List
> >  <http://www.ctyme.com/rbrown.htm> for the x86 platform. I also know
> >  there are some DOS specific structures that I have to duplicate for
> >  compatibility.  My problem is that I need to know how to program a NT
> >  System Service.
> >
> >  
>  NTVDM/VDM is nor a service nor a subsytem. The only "hack" for it is in
>  CreateProcess which launches ntvdm.exe with the application name
>  suffixed (this code is already in trunk).
>
>  The rest depends on:
>  1) ABIOS implementation in ntoskrnl
>  2) GUI calls in Win32K
>  3) NTVDM
>  4) VDM support in CSRSS
>  5) BIOS, io.sys, config.sys, etc files
>
>  Best regards,
>  Alex Ionescu
>
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